In the northern Arusha region of Tanzania near the border with Kenya, a geological oddity pokes its nose out of the rift valley floor. It’s Ol Doinyo Lengai, the only volcano in the world that erupts with natrocarbonatite lava.

Natrocarbonatite is half the temperature of the glowing silicate lava you see oozing out of Hawaiian volcanoes and it flows many times faster. It spills forth like water in black frothing streams. If you don’t want to melt your Merrells in 950-degree rivers, you have to watch your step on the summit.

In the Maasai language, Ol Doinyo Lengai means “Mountain of God.” The Maasai’s supreme god and the creator of the world, Ngai, has resided there since time immemorial. Presumably it’s rent controlled.

From afar, the peak of Ol Doinyo Lengai looks like it’s puffing out small clouds, as would a cartoon train. Up close it’s apparent that little clouds have condensed around its cone. It’s not that high, though, at just under 10,000 feet. But height is not the only obstacle to summiting the volcano. When you travel to the middle of nowhere with no guide, luck is a huge factor.

Twenty of us were in Tanzania on a geological field trip with our university’s Earth and Planetary Sciences Department. As an aside, if you want to travel for work, don’t become a travel writer. Become a geologist. You’ll spend way less time in front of a computer and far more time in the middle of beautiful nowheres.

After landing in Nairobi, we rented a 4×4 and two vans to haul us – 19 students and one enduring, stoic professor – into and around Tanzania for two weeks. By the time we reached the turnoff from the paved road to Ol Doinyo Lengai, our luck had expired.

Kerry Klein, Flickr

The road to ODL angled parallel to the shoulders of the Gregory Rift, part of East Africa’s Great Rift Valley, across flat expanses of grassy savannah and past a skeletal acacia trees. We were at the tail end of Tanzania’s brief dry season and the acacias had been picked clean months before. The new grasses had yet to take hold in most places, and the road rapidly deteriorated into fields of soft earth. Our vans constantly sunk deep into the loose soil and even our 4×4 lost its footing regularly.

Kerry Klein, Flickr

On the uninterrupted African savannahs, you can see a plains storm from a long way off. The dark clouds billow across the sky and below them a torrent of rain dims a uniform trapezoid on the horizon. Dramatic to watch from afar, but impossible to drive through on the unprotected veld.

At this time of year a storm brought more than rain. In front of us on the road, a dark squall sagged heavily looking like a bubble waiting to burst. The fierce winds whipped up dust and sand from the parched fields in skinny sepia tornadoes. We eventually came to a complete halt as we plunged deeper into the storm. The visibility dropped to zero, and we had to sit it out with nothing to look at outside but a uniform swatch of cafe au lait dust.

Adam Hodge, Gadling

By the time we arrived at where we thought the Maasai village was supposed to be, 9 hours had passed, and the sun had long since gone down. As we searched for the village in the pitch black nowhere, one van’s bash plate (the protective cover on the bottom of the engine) tore off and then the 4×4’s radiator went on the fritz, causing its engine to overheat and die.

Jerry-rigging a temporary fix for each took time and it was already midnight when we finally found the village. Our plan to begin climbing at 2 a.m. in order to avoid getting roasted by the equatorial sun was completely out the window. None of us had slept. The base of the volcano was still an hour’s drive away. And since we had two broken vehicles we that meant we had to shuttle three separate groups to the mountain in the one working van. Starting at 4 a.m. the first group set out on a couple hours of sleep. With any luck we would get everyone there before the sun launched a full assault on our climbing party.

No luck. The final group began the ascent at about 11 a.m., just as the sun came down on us like Thor’s hammer. I was part of the last group. It took me 5 hours to climb up the steep barren slope, feeling every step like Sisyphus, and clawing my way up on hands and knees near the top. The porters were up in only a few hours, bouncing from rock to rock as if they hadn’t heard of gravity.

Kerry Klein, Flickr

At the top I crawled into a shaded tent and collapsed into dreamless sleep. The sun, sensing my respite, sought out my hiding place and began to suffocate me inside. Two ravens named Never and More then lived at the top of the volcano and they squawked with displeasure from their perch on the crater ridge as I burst from the tent gulping for air.

We spent the day exploring the summit, taking samples and clambering around the outer edge of the crater. The summit is filled with tiny peaks called hornitos, which are formed from solidified lava. We came across one spewing forth natrocarbonatite, black like oil. It gushed out of a wound in the hornito’s side and cascaded rapidly down the crater’s slope. Natrocarbonatite lava is completely dehydrated, so it reacts quickly with humidity in the atmosphere and turns white within hours. You can tell how old a lava flow is by its color.

Kerry Klein, FlickrKerry Klein, Flickr

The view from the crater’s ridge was superb. Storms lashed the sky at the depths of the scene, though it was calm and clear nearby. The volcanic ash that has landed around Ol Doinyo Lengai (and other long-dormant volcanoes in the region) creates an extremely fertile soil that grass thrives in, which in turn supports the expansive grasslands’ millions of wildebeest, antelope, zebras and a pantheon of famous predators. An apt name, the Mountain of God.

Night came quickly, as it does by the equator. I was looking forward to a night’s rest on the soft, pliant floor of the crater. Earlier, my friend and I hadn’t thought to tie down our tent because it was so calm in the shadow of the crater ridge…

… Our tent billowed as the gale-force winds became more powerful. We recognized when the tent was smothering us that someone would have to sort this out. I stepped out to pin it down and was immediately soaked and almost knocked over in the wind. None of the pins held when I stuck them in the soil. I called my friend out of the tent to hold it down. He emerged, got soaked, and clutched one corner as I gripped the other. The tent began to lift off the ground, pulling us up and away. We had idiotically attached ourselves to a massive sail. We dug our heels into the ground and braced against the wind. After a moment we looked at each other knowingly, and with a nod let go of the tent. It whipped away, plunging into the blackness.

We fled, pelted by the rain, to the nearest shelter, an occupied one-person tent that had already flooded. The three of us crammed close together to keep warm, knees to our chests, and tried to sleep under one sleeping bag in two inches of water. I listened to the others shivering and noted the cruel irony of being freezing cold while sleeping above a lake of lava.

In the morning light, we found the remains of our tent 20 meters away where it had sailed into the crater wall. I hope his few seconds of freedom were worth it.

Adam Hodge, Gadling

With only one van at the bottom of the volcano to bring us back, we decided to retrieve the second van from camp, lack of bash plate be damned. We had driven about 3 miles from the volcano toward the camp when the rumble of a deflated tire brought us to a stop. We had a spare, but predictably the tools to remove it from the underside of the van were AWOL.

Incredibly, after a futile hour of trying to jar the bolts loose with a metal rod, another vehicle came by on the lonely road. A tour guide was scouting out the volcano for a hike the next week and he offered to drive one of us back to camp to fetch the other van. Several hours later, as we sauteed on the road in the no man’s land between the mountain and camp, the injured van came hobbling along, and we were able to use its tools to release the spare tire.

The group reconvened at camp by the early afternoon. We fixed the radiator leak in the 4×4 with an egg, strung up the bash plate with a bit of flimsy wire and negotiated down the porters, who were trying to fleece us for double what we had agreed to pay. As the sun winked out, we lurched away from camp, navigating through honking zebras in the dark, soft-soiled open plain.

Kerry Klein, Flickr

The wire holding the bash plate in place promptly failed within 20 minutes and every time the metal intestines of the engine crunched against the hard ground we held our breath. Like an inauspicious totem, I changed vans and immediately my new transport was rendered immobile. I hopped out to check what was going on and saw the van was perched happily on solid ground. We tried four different gears and none would engage. Our clutch was shredded.

Under the van’s headlights we attached a tow strap to the 4×4, which snapped on cue each time we drove through a dip in the road, significantly shortening our lead. When we got up to speed again on the final gravel section, the front of our van was no more than four feet from the rear of the jeep. When the 4×4 braked, if we didn’t react we would careen into its bumper. As we hit 50 miles an hour on the last stretch of gravel road, I turned around to see everyone in the back snoring obliviously. Then I looked over to Jake in the driver’s seat, staring wide-eyed at the taillights of the 4×4, taking deliberately long breaths and blinking on purpose.

When we reached the paved road it was 5 in the morning, 11 hours after we left the village. Jake engaged the parking brake, stepped down unsteadily from the driver’s seat and collapsed in a deep sleep directly on the pavement.

Kerry Klein, Flickr

Under a clear night sky next to a crackling fire on a Zanzibar beach two days later, we sipped cold Kilimanjaro beers and toasted our calamitous success. Some adventures are meant to be enjoyed in memory only.

Besides, it could have been worse. Thirteen months to the day that we had slept on the summit, Ol Doinyo Lengai blew its top, spewing ash and lava over the plain in the largest eruption seen in decades. Where we slept on the summit is now a deep crater.

There are a few key things that unite mankind, one of which is the need to eat. Whether the act itself is one of indulgence or subsistence is largely a cultural and geographic, and not just economic, issue. It’s this dichotomy that forms the theme for a fascinating new addition to the food and travelbook genre.What I Eat: Around the World in 80 Diets is the work of photographer Peter Menzel and writer Faith d’Aluisio. The duo traveled to 30 countries to profile 80 vastly different people and the “food that fuels them over the course of a single day.” Each profile features extreme examples of the subject’s diet and caloric intake, rather than a daily average, and provides a window into world foods we might not otherwise be aware of.

The authors also note on their website, “While we have been diligent about providing cultural context and geographic relevance in each of our stories, the people profiled represent only themselves and no one person, or even five, can represent an entire country. Please use this work to further your exploration and understanding of the world.”

Profiles include a Maasai herder in an extreme drought in Kenya’s Great Rift Valley, a Bangladeshi seamstress, a Latvian beekeeper, a Minnesotan teen who works in a mall, a Mexican rancher, and a Tennessee man who is a candidate for obesity surgery.

You can see a slideshow of sixteen of the book’s subjects on Time’s website, here.

Every year during this season, millions of wildebeest migrate northwards from Serengeti in Tanzania to the Maasai Mara Game Reserve in Kenya. It’s part of their annual cycle of looking for green pastures and plentiful waters. Zebras, antelopes, and other animals come along too, with predators like lions and cheetahs hanging on the edges of the herds hoping to catch the slow or the weak.

The Maasai Mara Game Reserve and Serengeti National Park are the two most popular places to see the migration, and the Kenyan newspaper Daily Nation reports hotels are already full, with even the Kenyan tourism minister saying he couldn’t find a room.

The annual migration is like a dream safari intensified, with the plains blackened by the herds. This National Geographic video shows just how big this mass movement of animals is. So if you want to see what ABC News has dubbed one of the new wonders of the world, you better book early for next year so you don’t get caught out. Sadly, there’s another reason to act soon. Observer Science Editor Robin McKie includes the migration in his list of ten natural wonders we can no longer take for granted due to global warming. McKie points out that if current trends continue, the plains will dry up and there won’t be enough pasture for the herds.

Image courtesy user Haplochromis via Wikimedia Commons.

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